In the video below, news crews from WSB-TV confront a truck driver who they caught smoking and call his company to let them know about what they discovered. One truck driver even lost his job as a result of this report.

You can read the federal regulations that prohibit smoking near a hazmat load below.

(b) An empty tank motor vehicle which has been used to transport Class 3, flammable materials, or Division 2.1 flammable gases, which when so used, was required to be marked or placarded in accordance with the rules in §177.823 of this title.